A357868 - OEIS

A357868 as a simple table

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	0
8	3
9	0
10	1
11	0
12	2
13	13
14	0
15	1
16	0
17	0
18	6
19	75
20	0
21	1
22	0
23	0
24	6
25	38
26	541
27	0
28	1
29	0
30	0
31	0
32	36
33	270
34	4683
35	0
36	1
37	0
38	0
39	0
40	24
41	150
42	2342
43	47293
44	0
45	1
46	0
47	0
48	0
49	0
50	240
51	1260
52	23646
53	545835
54	0
55	1
56	0
57	0
58	0
59	0
60	120
61	1560
62	16926
63	272918
64	7087261
65	0
66	1
67	0
68	0
69	0
70	0
71	0
72	1800
73	8400
74	197316
75	3543630
76	102247563
77	0

[1,1,0,1,1,0,1,0,3,0,1,0,2,13,0,1,0,0,6,75,0,1,0, 0,6,38,541,0,1,0,0,0,36,270,4683,0,1,0,0,0,24,150, 2342,47293,0,1,0,0,0,0,240,1260,23646,545835,0,1, 0,0,0,0,120,1560,16926,272918,7087261,0,1,0,0,0,0, 0,1800,8400,197316,3543630,102247563,0]